/Engine/Source/Editor/UnrealEd/Public/UnrealEdMisc.h
Retrieves the map of config->backup config filenames to be used for restoring config files
const [TMap](API\Runtime\Core\Containers\TMap)< [FString](API\Runtime\Core\Containers\FString), [FString](API\Runtime\Core\Containers\FString) > & GetConfigRestoreFilenames()